Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"truc van cuc snippets" » "truc va cuc snippets", "thuc van cuc snippets", "truc ban cuc snippets", "truc van duc snippets", "truc van luc snippets", "truc van cu 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 van 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 van cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( truc van cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truc van cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.