Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
lanh manh » lanh tranh, lan anh, van manh
cua thong » cua thuong, cua khong, cua tong
cong lang » cong vang, cong luong, cong quang
hoc lieu » hoc dieu, hoc sieu, ho lieu
hoc tieu » hoc thieu, hoc dieu, hoc sieu
manh cua » doanh cua, ban cua
lang van » dang van, tang van, hoang van

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 lieu) OR (hoc tieu)) tinh - lanh manh cua thong cong lang van ban~.
• Adding a wildcard symbol may retrieve word variants: ((hoc lieu) or (hoc tieu)) tinh - lanh manh cua thong cong lang van ban*.