Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
thi chieu » thi chien, thi hieu, theo chieu
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cong von » dong von, cong lon, cong hon
tinh va » tich va, trinh van, trinh vat
tai ban » tai san, tai benh
ngan » nganh, nhan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (thi chieu)) xanh - hanh tinh va nhung cong von ((tai ban) OR (tai ngan))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (thi chieu)) xanh - hanh tinh va nhung cong von ((tai ban) OR (tai ngan))~".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (thi chieu)) xanh - hanh tinh va nhung cong von ((tai ban) OR (tai ngan))*.