Perhaps you should try some spelling variations:
"locatinhg bug code snippets" » "locating bug code snippets", "locatinhg bug core snippets"
"python using java snippets" » "python using data snippets"
"doi van chu snippets" » "do van chu snippets", "doi va chu snippets", "doi ban chu snippets", "doi van chi snippets", "doi van phu snippets", "doi van cau 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: (((("python using java snippets") or ("doi van chu snippets"))) or ("locatinhg bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("doi van chu snippets"))) OR ("locatinhg bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( doi van chu snippets ))) or ( locatinhg bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("doi van chu snippets"))) or ("locatinhg bug code snippets"))*.