Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using code snippets" » "python using cfd snippets", "python using one snippets"
"thi tran du snippets" » "thi trang du snippets", "thi thanh du snippets", "thi lan du snippets", "thi tran duc snippets", "thi tran duy 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: (((("thi tran du snippets") or ("python using code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi tran du snippets") OR ("python using code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( thi tran du snippets ) or ( python using code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi tran du snippets") or ("python using code snippets"))) or ("locating bugs code snippets"))*.