Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java grippers" » "python using data grippers", "python using java slippers"
"bi trinh cau slippery" » "bi trinh chat slippery", "bi trinh chao slippery", "bi trinh tu slippery", "bi tinh cau slippery", "qui trinh cau slippery", "thi trinh cau slippery", "bi trinh cau slippers"

Try widening your search to All Fields.

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