Perhaps you should try some spelling variations:
thanh tung » thanh cong
dong trong » duong trong, dung trong, cong trong
trong dinh » truong dinh, trong kinh, trong sinh
chi sach » chinh sach, chieu sach, co sach
tung cao » nung cao, truong cao, trung cap
cao dong » cao dang, lao dong, cao cong
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 cao dong trong dinh van ban~.
• Adding a wildcard symbol may retrieve word variants: doi chi sach - thanh tung cao dong trong dinh van ban*.