Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"p trinh cham grippers" » "p trinh chat grippers", "p trinh chao grippers", "p trinh han grippers", "n trinh cham grippers", "lap trinh cham grippers", "co trinh cham grippers", "p trinh cham slippers"
"python using java slippery" » "python using data slippery", "python using java 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 cham grippers") OR ("python using java slippery"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"p trinh cham grippers\") OR (\"python using java slippery\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( p trinh cham grippers ) OR ( python using java slippery ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("p trinh cham grippers") OR ("python using java slippery"))) OR ("locating bug core snippets"))*.