Perhaps you should try some spelling variations:
tay lang » tai lang, tay tang, tay quang
van dinh » van minh, van dich, xuan dinh
su sach » so sach, vu sach
cam tuc » cam xuc, cam tu, nam thuc
thi cua » thai cua, thi cuc, tri cua
va dinh » va kinh, va tinh, vu dinh
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
y lang » o lang, _ lang, yen lang
ve cam » ve cham, ve cac, va cam

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 ((y lang) OR (tay lang)) xa hoi. hieu ve cam tuc ((va dinh) or (van dinh)) thi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((y lang) OR (tay lang)) xa hoi. hieu ve cam tuc ((va dinh) OR (van dinh)) thi cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((y lang) OR (tay lang)) xa hoi. hieu ve cam tuc ((va dinh) or (van dinh)) thi cua tre*".