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