Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong tai le snippets" » "trong thai le snippets", "truong tai le snippets", "trong tan le snippets", "trong tri le snippets", "trong thi le snippets", "trong tai he 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: (((("trong tai le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong tai le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong tai le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong tai le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.