Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"truc cau so snippets" » "truc cu so snippets", "truc du so snippets", "truc va so snippets", "truc cau do snippets", "truc cau o snippets", "truc cao so 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 cau so 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 cau so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( truc cau so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truc cau so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.