Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cay phoi voi snippets" » "cap phoi voi snippets", "tay hoi voi snippets", "cay cho voi snippets", "cay pho voi snippets", "cay choi voi snippets", "cay phoi loi 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: (((("cay phoi 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: (((("cay phoi voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cay phoi voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cay phoi voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.