Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong va dot snippets" » "trong van dot snippets", "trong ca dot snippets", "trong cac dot snippets", "trong va doc snippets", "trong va do snippets", "trong va doi 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 va dot 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 va dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong va dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong va dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.