Perhaps you should try some spelling variations:
"may trinh quan snippets" » "may tinh quang snippets", "may trinh luat snippets", "may trinh han snippets", "may tinh quan snippets", "lap trinh quan snippets", "quy trinh quan snippets", "may trinh quan slippers"
"using java java snippets" » "using data java snippets", "using java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

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