Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhat ca cham snippets" » "nhat ca code snippets", "nhat cua cham snippets", "nhap ca cham snippets", "hat ca cham snippets", "nhat cau cham snippets", "nhat va cham snippets", "nhat co cham 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: (((("nhat ca cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat ca cham snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhat ca cham snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat ca cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.