Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai chu cac snippets" » "hai chau cac snippets", "hoi chu cac snippets", "hai chi cac snippets", "hai cho cac snippets", "hai cuu cac snippets", "hai chu cai snippets"
"locating bug code snippets" » "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: (((("hai chu cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hai chu cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai chu cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai chu cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.