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