Perhaps you should try some spelling variations:
huong cua » dung cua
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
cong cua » cong cu, dong cua, thong cua
nang xa » nang x, lang xa, nang ma
hieu va » hieu qua
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
va dan » ca dan, va dao, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky nang xa hoi. ((hieu va) or (lieu va)) cac nuoc va dan ((cong cua) OR (huong cua)) su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky nang xa hoi. ((hieu va) OR (lieu va)) cac nuoc va dan ((cong cua) OR (huong cua)) su*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky nang xa hoi. ((hieu va) or (lieu va)) cac nuoc va dan ((cong cua) OR (huong cua)) su*".