Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang pho cam snippets" » "tang cho cam snippets", "tang ho cam snippets", "tang phu cam snippets", "tang pho tam snippets", "tang pho nam snippets", "tang pho cap 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: (((("tang pho cam snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tang pho cam snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang pho cam snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang pho cam snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.