Perhaps you should try some spelling variations:
thuat nhung » thuat hung, thuat chung, thuat chuong
trinh nhung » trinh phuong, trinh dung
thanh tung » thanh cong
lieu tinh » trieu tinh, diep tinh, bien tinh
thanh lap » thanh san, phan lap, thanh hai
cong dan » cong san, cong tan, huong dan
than cap » khan cap, thanh cac, than cua
so lieu » so dieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so lieu tinh - thanh tung ((trinh nhung) or (thuat nhung)) cong dan ((than cap) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so lieu tinh - thanh tung ((trinh nhung) OR (thuat nhung)) cong dan ((than cap) OR (thanh lap)).
• Adding a wildcard symbol may retrieve word variants: so lieu tinh - thanh tung ((trinh nhung) or (thuat nhung)) cong dan ((than cap) or (thanh lap))*.