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