Perhaps you should try some spelling variations:
trang tuan » tran tuan, trung tuan, tran xuan
trong tuan » trong quan, trung tuan, trong tan
theo lieu » theo tieu, theo chieu, theo yeu
lieu tinh » trieu tinh, diep tinh, bien tinh
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo lieu tinh - hanh ((trang tuan) OR (trong tuan)) trong cong tac toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo lieu tinh - hanh ((trang tuan) OR (trong tuan)) trong cong tac toan cao".
• Adding a wildcard symbol may retrieve word variants: theo lieu tinh - hanh ((trang tuan) OR (trong tuan)) trong cong tac toan cao*.