Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hieu hoc mo snippets" » "lieu hoc mo snippets", "hieu hoa mo snippets", "tieu hoc mo snippets", "hieu hoc moi snippets", "hieu hoc mot snippets", "hieu 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: (((("hieu 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: (((("hieu hoc mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hieu hoc mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu hoc mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.