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