Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don phu da snippets" » "dong phu da snippets", "den phu da snippets", "dong phuc da snippets", "don phu la snippets", "don phu ha 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 da 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 da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don phu da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don phu da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.