Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java slippery" » "python using data slippery", "python using java slippers"
"thi trinh tu grippers" » "tho trinh tu grippers", "thi thanh tu grippers", "thi minh tu grippers", "thi trinh ky grippers", "thi trinh do grippers", "thi trinh tu 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 slippery") or ("thi trinh tu grippers"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java slippery") OR ("thi trinh tu grippers"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java slippery ) or ( thi trinh tu grippers ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java slippery") or ("thi trinh tu grippers"))) or ("locating bug core snippets"))*.