Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi ban voi snippets" » "thi lan voi snippets", "tai ban voi snippets", "tri ban voi snippets", "thi ban moi snippets", "thi ba voi snippets", "thi ban noi 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 ban voi 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 ban voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi ban voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi ban voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.