Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap dinh du snippets" » "lap ninh du snippets", "lap trinh du snippets", "lap doanh du snippets", "lap dinh duc snippets", "lap dinh cu snippets", "lap dinh tu 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: (((("lap dinh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap dinh du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap dinh du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap dinh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.