Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri chi moi snippets" » "tai chi moi snippets", "tri nhi moi snippets", "trien chi moi snippets", "tri cho moi snippets", "tri thi moi snippets", "tri chi mo 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 chi moi 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 chi moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri chi moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri chi moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.