Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran doc chi snippets" » "tran duc chi snippets", "than doc chi snippets", "tranh duoc chi snippets", "tran doi chi snippets", "tran hoc chi snippets", "tran doc chat 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: (((("tran doc chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran doc chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran doc chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran doc chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.