Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"de trinh tu snippets" » "de tinh tu snippets", "de tranh tu snippets", "dan trinh tu snippets", "de trinh ky snippets", "de trinh do snippets"

You may be able to get more results by adjusting your search query.

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