Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu tai du snippets" » "tu tai du snippets", "tru tai du snippets", "thu hai du snippets", "thu tai tu snippets", "thu tri du snippets", "thu tai su 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: (((("thu tai 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: (((("thu tai du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu tai du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu tai du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.