Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong ly cho snippets" » "trong ky cho snippets", "trong le cho snippets", "thong ly cho snippets", "trong ly chon snippets", "trong ly co snippets", "trong ly chi 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 ly 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 ly cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong ly cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong ly cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.