Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thanh vi hoc snippets" » "hanh vi hoc snippets", "thanh va hoc snippets", "thanh ve hoc snippets", "thanh li 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: (((("thanh vi 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: (((("thanh vi hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thanh vi hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thanh vi hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.