Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thai hoc mo snippets" » "dai hoc mo snippets", "bai hoc mo snippets", "hoi hoc mo snippets", "thai hoc moi snippets", "thai hoc mot snippets", "thai hoc mon 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: (((("thai hoc mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thai hoc mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thai hoc mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thai hoc mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.