Perhaps you should try some spelling variations:
nhung duong » nhung dung, nhung huong, nhung tuong
chieu tinh » trieu tinh, lieu tinh, chau tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
thong qua » thong quan, thong cua, duong qua
duong tac » tuong tac, duong tai, dong tac
thong tu » phong tuc, thong tin, thong ke
quan tai » quan tri, quang tri, quan li

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu tinh - thanh ((thong qua) OR (thong tu)) nhung duong tac quan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu tinh - thanh ((thong qua) OR (thong tu)) nhung duong tac quan tai".
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - thanh ((thong qua) OR (thong tu)) nhung duong tac quan tai*.