Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"te cong du snippets" » "te cong code snippets", "tai cong du snippets", "thi cong du snippets", "thu cong du snippets", "te cong dau snippets", "te cong duc snippets", "te cong duy snippets"
"python using java snippets" » "python using data snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("te cong du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("te cong du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( te cong du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("te cong du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.