Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhat co cham snippets" » "nhat co code snippets", "nhat cho cham snippets", "nhat so cham snippets", "chat co cham snippets", "nhat ca cham snippets", "nhat co champa snippets", "nhat cao chat 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 co 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 co cham snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhat co cham snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat co cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.