Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, lieu tinh
thien tinh » khien tinh, thien minh, tien tinh
thanh hung » thanh huong, thanh tung, thanh trung
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
hung cua » huong cua, chung cua, khung cua
van tan » van tuan, van ban, van tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu tinh) OR (thien tinh)) - thanh hung cua nhung cong ((manh toan) or (van tan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu tinh) OR (thien tinh)) - thanh hung cua nhung cong ((manh toan) OR (van tan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu tinh) OR (thien tinh)) - thanh hung cua nhung cong ((manh toan) or (van tan)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu tinh) OR (thien tinh)) - thanh hung cua nhung cong ((manh toan) or (van tan)) cao*.