Perhaps you should try some spelling variations:
"p trinh cong snippets" » "p trinh code snippets", "p trinh dung snippets", "n trinh cong snippets", "lap trinh cong snippets", "co trinh cong snippets"
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"python using java slippery" » "python using data slippery"

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 cong snippets") OR ("python using java slippery"))) OR ("locating bug code slippers"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"p trinh cong snippets\") OR (\"python using java slippery\"))) OR (\"locating bug code slippers\"))".
• Removing quotes may allow a broader search: (((( p trinh cong snippets ) OR ( python using java slippery ))) OR ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("p trinh cong snippets") OR ("python using java slippery"))) OR ("locating bug code slippers"))*.