Perhaps you should try some spelling variations:
chiet tach » chieu sach
thanh tinh » thanh binh, nhanh tinh, than kinh
cong ngang » cong nhan, cong quang, cong lang
ngang toan » nganh toan, dang toan, quang toan
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua hang » cua dang, cua nhung, cua ban
toan cau » 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: ho ((hieu manh) or (chiet tach)) - thanh tinh ((cua hang) OR (cua cong)) cong ngang toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chiet tach)) - thanh tinh ((cua hang) OR (cua cong)) cong ngang toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (chiet tach)) - thanh tinh ((cua hang) OR (cua cong)) cong ngang toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chiet tach)) - thanh tinh ((cua hang) OR (cua cong)) cong ngang toan cau*.