Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhap tac can snippets" » "nhap tac code snippets", "nhap thap can snippets", "nhan tai can snippets", "nhan tao can snippets", "nhap tac van snippets", "nhap tac quan snippets", "nhap tac vang 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: (((("nhap tac can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhap tac can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhap tac can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap tac can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.