Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java grippers" » "python using data grippers"
"co trinh do slippers" » "co tranh do slippers", "cong trinh do slippers", "tao trinh do slippers", "co trinh ky slippers", "co trinh do slippery"

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