Perhaps you should try some spelling variations:
lang van » dang van, tang van, hoang van
te sach » toc sach
nang ji » nang si, nang noi, nang tai
soc dai » hoc dai, so dai, loc dai
va cham » va chat, va tham
sach tu » sach thu, cach tu, sach ty
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay
cua tre » cua te, cuu tre, cua triet
soc da » soc dan, loc da, soc ba
ji cua » di cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach tu ((lang xa) or (lang van)) hoi. hieu va cham ((soc da) OR (soc dai)) nang ji cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu ((lang xa) OR (lang van)) hoi. hieu va cham ((soc da) OR (soc dai)) nang ji cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tu ((lang xa) or (lang van)) hoi. hieu va cham ((soc da) OR (soc dai)) nang ji cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach tu ((lang xa) or (lang van)) hoi. hieu va cham ((soc da) OR (soc dai)) nang ji cua tre*.