Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
sach thu » sach thue, sach thieu, sach tham
su sach » so sach, vu sach
va hanh » van hanh, va thanh, va danh
cau luc » cau truc, cau phuc
cau xuc » cam xuc, cau truc, chat xuc
lang xa » lang ha, dang xay, lang van
vi cua » vai cua, di cua
cua te » cua tu

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 thu ((lang xa) or (mang may)) hoi. hieu van ((cau xuc) OR (cau luc)) va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thu ((lang xa) OR (mang may)) hoi. hieu van ((cau xuc) OR (cau luc)) va hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach thu ((lang xa) or (mang may)) hoi. hieu van ((cau xuc) OR (cau luc)) va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: su sach thu ((lang xa) or (mang may)) hoi. hieu van ((cau xuc) OR (cau luc)) va hanh vi cua te*.