Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
hanh lai » hanh lam, hanh tai, thanh loi
hien cac » thien cac, vien cac, dien cac
hieu cac » hieu luc, hieu va, hieu van
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
sach ky » sac ky, sach y, sach ty
cua te » cua tu
lo va » lo van, lao va, ly va

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu ((hien cac) OR (hieu cac)) lo va ((hanh lai) OR (thanh lap)) cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. hieu ((hien cac) OR (hieu cac)) lo va ((hanh lai) or (thanh lap)) cua te~".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu ((hien cac) OR (hieu cac)) lo va ((hanh lai) or (thanh lap)) cua te*.