Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh do cai snippets" » "trinh ky cai snippets", "trinh do dai snippets", "trinh do cao snippets", "trinh de cai 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: (((("trinh do cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh do cai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh do cai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh do cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.