Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hang cong » dang cong, hang nong, bang cong
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
thang va » hang va, trang va, thong va
toan cau » toan cao, toan ban, toan tap
tang va » trang va, tang van, tang vat

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 - hanh ((tang va) OR (thang va)) hang cong hach toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh ((tang va) OR (thang va)) hang cong hach toan cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((tang va) OR (thang va)) hang cong hach toan cau*.