Perhaps you should try some spelling variations:
ktang luan » hang luan, tong luan, tang quan
tieu xanh » tieu danh, chieu xanh, dieu hanh
tang luan » dung luan
tong cong » trong cong, cong cong, dung cong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban
va tong » va thong, va tuong, va trong

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - ((tang luan) or (ktang luan)) va tong cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((tang luan) OR (ktang luan)) va tong cong tan toan tap*.