Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thien hach » thien thanh, hien hanh
thuat dung » thuat hung, thuat ung, thuat xung
luat chung » luan chung, luat thuong, cua chung
hieu cach » hieu cac, chieu sach, hieu ca
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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) or (hieu cach)) - hanh trinh ((thuat dung) or (luat chung)) cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien hach) OR (hieu cach)) - hanh trinh ((thuat dung) OR (luat chung)) cong tan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien hach) or (hieu cach)) - hanh trinh ((thuat dung) or (luat chung)) cong tan toan ban*.