Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
ly quang » le quang, vu quang
va thanh » gia thanh, ban thanh, va tinh
va hanh » van hanh, va danh, ban hanh
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
vi cua » vai cua, di cua
ve cac » va cac, vien cac
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: thu sach ((ly hang) OR (ly quang)) xa hoi. hieu ve cac xuc ((va hanh) or (va thanh)) vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((ly hang) OR (ly quang)) xa hoi. hieu ve cac xuc ((va hanh) OR (va thanh)) vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ((ly hang) OR (ly quang)) xa hoi. hieu ve cac xuc ((va hanh) or (va thanh)) vi cua te".
• Adding a wildcard symbol may retrieve word variants: thu sach ((ly hang) OR (ly quang)) xa hoi. hieu ve cac xuc ((va hanh) or (va thanh)) vi cua te*.