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