Perhaps you should try some spelling variations:
"thu hoi cong snippets" » "thu hoi code snippets", "thu hoc cong snippets", "thu hoa cong snippets", "thu hoi dong snippets", "thu hoai cong snippets", "thu phoi cong snippets", "thu hai cong snippets"
"locating bug core snippets" » "locating bug code 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: (((("python using java snippets") or ("thu hoi cong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("thu hoi cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( thu hoi cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("thu hoi cong snippets"))) or ("locating bug core snippets"))*.