Perhaps you should try some spelling variations:
"chuc trong o snippets" » "thuc trong o snippets", "chu trong o snippets", "thuoc trong o snippets", "chuc trong co snippets", "chuc trong _ snippets", "chuc trong 2 snippets"
"python using java snippets" » "python using data 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: (((("chuc trong o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chuc trong o snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chuc trong o snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chuc trong o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.