Perhaps you should try some spelling variations:
trong thanh » truong thanh, trung thanh, rong thanh
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
tuan dung » tuan duong, tran dung, tan dung
phan hoa » phan loai, phan phoi, phan hong
phan ha » phan ba, phan h, phan va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - thanh trung tuan dung trong thanh ((phan ha) OR (phan hoa))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - thanh trung tuan dung trong thanh ((phan ha) OR (phan hoa))".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh trung tuan dung trong thanh ((phan ha) OR (phan hoa))*.