Perhaps you should try some spelling variations:
xa thanh » va thanh, ha thanh, ta thanh
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu va » hieu qua
lam tuc » lam thuoc, lam truoc, luat tuc
xa hanh » xa khanh, va hanh, da hanh
y nang » ky nang, ly nang, v nang
vi cua » vai cua, di cua
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y nang xa hoi. ((hieu va) or (lieu va)) lam tuc ((xa hanh) or (xa thanh)) vi cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. ((hieu va) OR (lieu va)) lam tuc ((xa hanh) OR (xa thanh)) vi cua su.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. ((hieu va) or (lieu va)) lam tuc ((xa hanh) or (xa thanh)) vi cua su*.