Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dot trong oh snippets" » "ro trong oh snippets", "dot trong o snippets", "dot trong nha snippets", "dot trong thu 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: (((("dot trong oh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dot trong oh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dot trong oh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dot trong oh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.