Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"truc dan cuc snippets" » "thuc dan cuc snippets", "tuc dan cuc snippets", "truc ban cuc snippets", "truc dan cu snippets", "truc dan cua snippets", "truc dan cac 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: (((("truc dan cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("truc dan cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( truc dan cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truc dan cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.