Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hoc thien » hoc hien, hoc thieu, hoc thiet
hang cong » dang cong, hang nong, bang cong
mang cua » manh cua, ban cua, cong cua
dung cua » dung luan, dung cho
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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 hach - hang ((mang cua) OR (dung cua)) hang cong dan than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien hach - hang ((mang cua) OR (dung cua)) hang cong dan than cap".
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - hang ((mang cua) OR (dung cua)) hang cong dan than cap*.