Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan mo hoc snippets" » "lan o hoc snippets", "dan mo hoc snippets", "fan mo hoc snippets", "lan mon hoc snippets", "lan 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: (((("lan 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: (((("lan mo hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan mo hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan mo hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.