Perhaps you should try some spelling variations:
manh hanh » xanh hanh, danh thanh, minh thanh
hanh lai » hanh lam, hanh tai, thanh lap
lang van » dang van, tang van, hoang van
duc manh » suc manh, duc anh, duc minh
sach thu » sach thue, sach thieu, sach tham
hieu van » hieu va, thien van, lieu va
lam duc » lam duoc, pham duc, nam duoc
lai cua » dai cua, hai cua, lai chau
tu sach » thu sach, su sach, te sach
van lam » van nam
lang xa » lang ha, dang xay
cua tre » cua te, cuu tre, cua triet

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 thu ((lang xa) or (lang van)) hoi. hieu van lam duc manh hanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thu ((lang xa) OR (lang van)) hoi. hieu van lam duc manh hanh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach thu ((lang xa) or (lang van)) hoi. hieu van lam duc manh hanh lai cua tre*.