Perhaps you should try some spelling variations:
thanh doi » thanh loi, thanh moi, thanh do
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
nuoc van » nuoc va, nuoc san, luoc van
thanh di » thanh de, thanh do, thanh dinh
te sach » toc sach
sach tu » sach thu, cach tu, sach ty
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
tu nang » tru nang, tu nong, tu nano
cua cu » cua chu, cua cau, cua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach tu nang xa hoi. ((hieu ve) or (lieu va)) cac nuoc van ((thanh di) OR (thanh doi)) cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu nang xa hoi. ((hieu ve) OR (lieu va)) cac nuoc van ((thanh di) OR (thanh doi)) cua cu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tu nang xa hoi. ((hieu ve) or (lieu va)) cac nuoc van ((thanh di) OR (thanh doi)) cua cu".
• Adding a wildcard symbol may retrieve word variants: te sach tu nang xa hoi. ((hieu ve) or (lieu va)) cac nuoc van ((thanh di) OR (thanh doi)) cua cu*.