Perhaps you should try some spelling variations:
lap khoa » lao khoa, la khoa, luan khoa
va thanh » gia thanh, ban thanh, va tinh
thi nang » thi cong, ki nang, thi hanh
lap hoa » lap hoat, tap hoa, lai hoa
te sach » toc sach
sach ky » sac ky, sach y, sach ty
thi van » thi lan, thi hanh
nang xa » nang x, lang xa, nang ma
cac xuc » cam xuc, cac nuoc, chat xuc
xuc va » duc va, tuc va, luc va

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