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