Perhaps you should try some spelling variations:
"p trinh song grippers" » "p trinh soft grippers", "p trinh cong grippers", "p trinh bong grippers", "p trinh tong grippers", "n trinh song grippers", "lap trinh song grippers", "co trinh song grippers"
"python using java slippery" » "python using data slippery", "python using java slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets", "locating bug code slippers"

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

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