Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua hinh hoc snippets" » "qua kinh hoc snippets", "qua ninh hoc snippets", "qua trinh hoc snippets", "qua sinh hoc snippets", "qua tin hoc snippets", "qua benh 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 hinh 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: (((("qua hinh hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua hinh hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua hinh hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.