Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duong che co snippets" » "duong che code snippets", "dong che co snippets", "dung che co snippets", "luong che co snippets", "duong cheo co snippets", "duong che do snippets", "duong he co snippets"
"python using java snippets" » "python using data snippets"

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

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