Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hieu hoc snippets" » "thi chieu hoc snippets", "thi hien hoc snippets", "thi dieu hoc snippets", "thi lieu hoc snippets", "thi hieu hoa snippets", "thi tieu hoc 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: (((("thi hieu hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi hieu hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi hieu hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hieu hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.