Perhaps you should try some spelling variations:
thanh vung » thanh vuong, thanh tung, thanh hung
bang huong » ban huong, bang suong, bang tuong
chi sach » chinh sach, chieu sach, co sach
vung tam » vung tau, vung tay, trung tam
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - thanh vung tam ((bang huong) or (bang phuong)) dan ((than cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - thanh vung tam ((bang huong) OR (bang phuong)) dan ((than cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: doi chi sach - thanh vung tam ((bang huong) or (bang phuong)) dan ((than cau) or (than cap))*.