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