Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi tac lon snippets" » "thi tam lon snippets", "thi thao lon snippets", "thi tran lon snippets", "thi tap lon snippets", "thi tac dong snippets", "thi tac chon 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: (((("thi tac lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi tac lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi tac lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi tac lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.