Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao cham hoi snippets" » "cao chat hoi snippets", "ca cham hoi snippets", "cau cham hoi snippets", "cao cham voi snippets", "cao cham h'roi snippets", "cao 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: (((("cao 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: (((("cao cham hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao cham hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao cham hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.