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