Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung cong » thong cong, hang cong, nhung don
tung tuan » trung tuan, hung tuan, quang tuan
dung cong » dung trong
chi sach » chinh sach, chieu sach, co sach
vat phan » va phan, van phan, sat phan
phan cau » phan dau, phan cac, phan tu
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 tung tuan ((nhung cong) or (dung cong)) vat phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - thanh tung tuan ((nhung cong) OR (dung cong)) vat phan cau.
• Adding a wildcard symbol may retrieve word variants: doi chi sach - thanh tung tuan ((nhung cong) or (dung cong)) vat phan cau*.