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