Perhaps you should try some spelling variations:
"locatinhg bug code snippets" » "locating bug code snippets", "locatinhg bug code slippers", "locatinhg bug core snippets"
"python using java snippets" » "python using data snippets", "python using java slippers"
"mo hoc sinh snippets" » "mon hoc sinh snippets", "co hoc sinh snippets", "mo hoc dinh snippets", "mo hoc minh snippets", "mo hoc kinh snippets", "mo hoc sinh slippers"

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: (((("mo hoc sinh snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mo hoc sinh snippets") OR ("python using java snippets"))) OR ("locatinhg bug code snippets")).
• Removing quotes may allow a broader search: (((( mo hoc sinh snippets ) or ( python using java snippets ))) or ( locatinhg bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mo hoc sinh snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))*.