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