Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"de hieu day snippets" » "de chieu day snippets", "de hieu dac snippets", "de hien dai snippets", "doc hieu day snippets", "dao hieu day snippets", "dat hieu day snippets", "de hieu day slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("de hieu day snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("de hieu day snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( de hieu day snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("de hieu day snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.