Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian duc hoc snippets" » "giao duc hoc snippets", "gia duc hoc snippets", "gian dac hoc snippets", "gian duoc hoc snippets", "gian luc hoc snippets", "gian du hoc 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: (((("gian duc hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian duc hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian duc hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian duc hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.