Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua cham hoi snippets" » "cua cha hoi snippets", "qua cham hoi snippets", "ca cham hoi snippets", "cua cham voi snippets", "cua cham h'roi snippets", "cua pham hoai 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: (((("cua cham hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua cham hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua cham hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua cham hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.