Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chau tinh » cuu tinh, ha tinh, cua tinh
chinh van » chinh ban, chinh can, chinh ngan
chinh va » chinh ta, chinh tai, hanh va
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban
ho chau » ha chau, ho chu, o chau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chau tinh - hanh ((chinh van) or (chinh va)) thong cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chau tinh - hanh ((chinh van) OR (chinh va)) thong cong tac toan tap.
• Adding a wildcard symbol may retrieve word variants: ho chau tinh - hanh ((chinh van) or (chinh va)) thong cong tac toan tap*.