Perhaps you should try some spelling variations:
lang tao » sang tao, nang tao, lang cao
cham luc » cham soc, nhan luc, cham cuu
hanh lai » hanh lam, hanh tai, thanh lap
tu sach » thu sach, su sach, te sach
sach tu » sach thu, cach tu, sach ty
tu lang » cu lang, tu lanh, xu lang
tao hoi » tao khoi, tao boi, tay hoi
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, va danh
cua tre » cuu tre, cua triet, dua tren
luc va » duc va, tuc va, loc va
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: tu sach tu lang tao hoi. hieu ve cham luc va hanh lai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tu lang tao hoi. hieu ve cham luc va hanh lai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu sach tu lang tao hoi. hieu ve cham luc va hanh lai ((cua tre) or (cua te))*.