Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhat va du snippets" » "nhat va code snippets", "nhan va du snippets", "chat va du snippets", "nhat ve du snippets", "nhat va dau snippets", "nhat va su snippets", "nhat va tu 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 va du 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 va du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhat va du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat va du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.