Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hien manh » hien hanh, tien manh, hieu manh
trang cua » tranh cua, tang cua, thang cua
trung cua » truong cua, trung tuan, trung cap
cong van » cong vang, cong san, song van
tuan cao » juan cao, quang cao, thuan cam
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien manh - hanh ((trang cua) or (trung cua)) nhung cong van ((tuan cao) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien manh - hanh ((trang cua) OR (trung cua)) nhung cong van ((tuan cao) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc hien manh - hanh ((trang cua) or (trung cua)) nhung cong van ((tuan cao) or (toan cao))*.