Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri moi lon snippets" » "tri mot lon snippets", "thi moi lon snippets", "tri doi lon snippets", "tri moi con snippets", "tri moi loc snippets", "tri roi loan 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 moi lon 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 moi lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri moi lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri moi lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.