Perhaps you should try some spelling variations:
thi nang » thi cong, ki nang, thi hanh
ban quan » van quan
sach thi » sach thu, sach tai, sach thieu
te sach » toc sach
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
ma hoi » mai hoi, ma hoa, me hoi

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