Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhat tan cau snippets" » "nhat tan code snippets", "nhat ban cau snippets", "nhat trang cau snippets", "nhat hanh cau snippets", "nhat toan cau snippets", "nhat van cau snippets", "nhat tan ca 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 tan cau 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 tan cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhat tan cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat tan cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.