Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mot vu hoc snippets" » "mot nu hoc snippets", "mot vung hoc snippets", "mot tu hoc snippets", "mot va hoc snippets", "mot du 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: (((("mot vu 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: (((("mot vu hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mot vu hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mot vu hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.