Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi dong du snippets" » "thai dong du snippets", "thi cong du snippets", "thi hong du snippets", "thi dong tu snippets", "thi dong da snippets", "thi dong su 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 dong 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: (((("thi dong du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi dong du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi dong du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.