Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hoc thien » hoc hien, hoc thieu, hoc thiet
qua chung » qua chuong, quat chung, cua chung
cong vang » cong lang, cong quang, cong ngang
hanh ban » thanh ban, hang ban, hanh han
hanh san » thanh san, khach san, thanh son
cong san » cong tac
than cau » toan cau, phan cau, than cap

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 - ((hanh ban) or (hanh san)) qua chung ((cong vang) or (cong san)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - ((hanh ban) OR (hanh san)) qua chung ((cong vang) OR (cong san)) than cau.
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - ((hanh ban) or (hanh san)) qua chung ((cong vang) or (cong san)) than cau*.