Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trinh van » trinh han, trinh quan, trinh toan
doc hieu » toc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
tinh va » tich va, trinh vat, tinh gia

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 (doc hieu)) xanh - nhanh ((tinh va) OR (trinh van)) nhung cong dan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (doc hieu)) xanh - nhanh ((tinh va) OR (trinh van)) nhung cong dan toan cau~".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doc hieu)) xanh - nhanh ((tinh va) OR (trinh van)) nhung cong dan toan cau*.