Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thien » hoc hien, hoc thieu, hoc thiet
thien anh » thien danh, tien anh, thien thanh
doanh cua » doanh luan
manh cua » ban cua
cong dan » cong san, cong tan, huong dan
toan tai » toan tap, doanh tai, toan ban
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 thien anh - hanh ((manh cua) or (doanh cua)) nhung cong dan ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien anh - hanh ((manh cua) OR (doanh cua)) nhung cong dan ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc thien anh - hanh ((manh cua) or (doanh cua)) nhung cong dan ((toan tai) or (toan cao))*.