Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua tinh son snippets" » "qua trinh son snippets", "quan tinh son snippets", "qua kinh son snippets", "qua tinh toan snippets", "qua dinh so snippets", "qua tinh 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: (((("qua tinh son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("qua tinh son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua tinh son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua tinh son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.