Perhaps you should try some spelling variations:
lam truong » lap truong, cac truong, xa truong
lam truoc » lam thuoc, nam truoc, nam thuoc
va thanh » gia thanh, ban thanh, va tinh
su sach » so sach, vu sach
doi cua » dai cua, hoi cua
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
di cua » dai cua, de cua, do cua

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 nang xa hoi. hieu ve ((lam truoc) or (lam truong)) va thanh ((di cua) OR (doi cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu ve ((lam truoc) OR (lam truong)) va thanh ((di cua) OR (doi cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. hieu ve ((lam truoc) or (lam truong)) va thanh ((di cua) OR (doi cua)) tre".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu ve ((lam truoc) or (lam truong)) va thanh ((di cua) OR (doi cua)) tre*.