Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don phu de snippets" » "dong phu de snippets", "den phu de snippets", "dong phuc de snippets", "don chu de snippets", "don phu da snippets", "don shu de 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: (((("don phu de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("don phu de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don phu de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don phu de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.