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