Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi goc nghe snippets" » "thi hoc nghe snippets", "thi uoc nghe snippets", "thi gioi nghe snippets", "thi ngoc nghe snippets", "thi loc nghe snippets", "thi toc nghe 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: (((("thi goc nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi goc nghe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi goc nghe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi goc nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.