Perhaps you should try some spelling variations:
thanh tri » thanh tra, thanh tai, chinh tri
duoc giao » nuoc giao, duc giao, duong giao
duoc gia » quoc gia, duc gia, luoc gia
su sach » so sach, vu sach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » hieu qua
sach ky » sac ky, sach y, sach ty
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky lang xa hoi. ((hieu va) or (lieu va)) hoc ((duoc gia) OR (duoc giao)) thanh tri cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky lang xa hoi. ((hieu va) OR (lieu va)) hoc ((duoc gia) OR (duoc giao)) thanh tri cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky lang xa hoi. ((hieu va) or (lieu va)) hoc ((duoc gia) OR (duoc giao)) thanh tri cua te".
• Adding a wildcard symbol may retrieve word variants: su sach ky lang xa hoi. ((hieu va) or (lieu va)) hoc ((duoc gia) OR (duoc giao)) thanh tri cua te*.