Perhaps you should try some spelling variations:
"bo duong dat grippers" » "bo duong soft grippers", "bo dung dat grippers", "bo dong dat grippers", "bo duong dao grippers", "boi duong dat grippers", "bao duong dat grippers", "co duong dat 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: (((("python using java slippery") or ("bo duong dat grippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java slippery") OR ("bo duong dat grippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java slippery ) or ( bo duong dat grippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java slippery") or ("bo duong dat grippers"))) or ("locating bug code snippets"))*.