Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngang cho du snippets" » "nang cho du snippets", "ngang tho du snippets", "sang cho du snippets", "ngang cho cu snippets", "ngang cho tu snippets", "ngang cho duoc snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("ngang cho du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngang cho du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngang cho du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngang cho du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.