Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hoc thien » hoc hien, hoc thieu, hoc thiet
cong tuan » cong tan, cong luan, cong thanh
tuan bang » tuan dang, tuan hoang, thuat bang
bang cong » dang cong, bang song, hang cong
thanh cac » thanh bac, thanh ca, tranh cac
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan cac, phan tu
hanh cac » hang cac, hanh cat, nhanh cay

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 - thanh cong tuan bang cong dan ((phan cau) or (((thanh cac) OR (hanh cac))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - thanh cong tuan bang cong dan ((phan cau) OR (((thanh cac) OR (hanh cac))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien hach - thanh cong tuan bang cong dan ((phan cau) or (((thanh cac) OR (hanh cac))))*".