Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu hai le snippets" » "thu ha le snippets", "thu nhap le snippets", "thu hang le snippets", "thu hai ly snippets", "thu tai le snippets", "thu hoi le 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 hai le 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 hai le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu hai le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu hai le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.