Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
dong cua » dung cua, cong cua, huong cua
te sach » toc sach
mai hoi » mai khoi, dai hoi, lai hoi
qua cac » cua cac
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
doi cua » dai cua, hoi cua
ma hoi » xa hoi, ma hoa, me hoi
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 thieu quang ((ma hoi) OR (mai hoi)). hieu qua cac xuc va hanh ((doi cua) or (dong cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thieu quang ((ma hoi) OR (mai hoi)). hieu qua cac xuc va hanh ((doi cua) OR (dong cua)) te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thieu quang ((ma hoi) OR (mai hoi)). hieu qua cac xuc va hanh ((doi cua) or (dong cua)) te*".