Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh sao con snippets" » "anh so con snippets", "anh giao con snippets", "hanh san con snippets", "anh tao con snippets", "anh mao con 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: (((("anh sao con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh sao con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh sao con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh sao con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.