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