Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhap tham do snippets" » "nhap tham code snippets", "nhap thap do snippets", "nhan tham do snippets", "phap tham do snippets", "nhap thai do snippets", "nhap pham do snippets", "nhap tham du 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 tham do 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 tham do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhap tham do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap tham do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.