Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
tieu tinh » trieu tinh, tieu trinh, lieu tinh
tranh cua » manh cua
doanh cua » doanh luan
hoc tieu » hoc thieu, hoc dieu, hoc sieu
san ban » sang ban, van ban, can ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc tieu tinh - hanh ((tranh cua) or (doanh cua)) nhung cong thanh san ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tieu tinh - hanh ((tranh cua) OR (doanh cua)) nhung cong thanh san ban.
• Adding a wildcard symbol may retrieve word variants: hoc tieu tinh - hanh ((tranh cua) or (doanh cua)) nhung cong thanh san ban*.