Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tru tinh toc snippets" » "trieu tinh toc snippets", "cuu tinh toc snippets", "tru tinh hoc snippets", "tru tinh soc snippets", "tru tinh toi 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: (((("tru tinh toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tru tinh toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tru tinh toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tru tinh toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.