Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tung dao do snippets" » "tuong dao do snippets", "tung dan do snippets", "hung dao do snippets", "tung dao o snippets", "tung dao ho snippets", "tung dao dong 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: (((("tung dao do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tung dao do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tung dao do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tung dao do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.