Perhaps you should try some spelling variations:
dang nung » dang hung, dang dung, dang tung
hieu luat » hieu qua
kiem soat » kiem toan
tin dang » tin dung, tin nang, tin mang
nung cao » nang cao, nhung cau, quang cao
ban van » ban va, tan van, san van
ban dan » ban hang, ban hanh, ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tin dang nung cao hieu luat ) or ( tinh quang ((ban van) or (ban dan)) kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dang nung cao hieu luat ) OR ( tinh quang ((ban van) OR (ban dan)) kiem soat )).
• Adding a wildcard symbol may retrieve word variants: (( tin dang nung cao hieu luat ) or ( tinh quang ((ban van) or (ban dan)) kiem soat ))*.