Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hoc thien » hoc hien, hoc thieu, hoc thiet
tac nhung » tay nhung, tham nhung, thai nhung
cong tacn » cong tan, cong san, cong dan
cong tac » cong ty
song van » hoang van, trong van, duong van
toan ban » van ban
phan cac » nhan cach, phan dau, phan lap

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 tac nhung ((cong tacn) OR (song van)) ((toan ban) OR (phan cac))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien hach - thanh cong tac nhung ((cong tacn) OR (song van)) ((toan ban) OR (phan cac))".
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - thanh cong tac nhung ((cong tacn) OR (song van)) ((toan ban) OR (phan cac))*.