Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"truc xa da snippets" » "tuc xa da snippets", "truc va da snippets", "truoc xay da snippets", "truc xa dai snippets", "truc xa la 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 xa da 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 xa da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( truc xa da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truc xa da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.