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