Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat bay lon snippets" » "nhat ban lon snippets", "chat ban lon snippets", "nhat ky lon snippets", "nhat bai lon snippets", "nhat tay luon 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: (((("nhat bay lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat bay lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat bay lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat bay lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.