Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cay thau vo snippets" » "dau thau vo snippets", "tay thu vo snippets", "tay thai vo snippets", "cay than vo snippets", "cay thau va snippets", "cay than voi 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 thau vo 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 thau vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cay thau vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cay thau vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.