Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
van lam » van nam
lam tuc » lam thuoc, lam truoc, luat tuc
xa hanh » xa thanh, xa khanh, da hanh
va hanh » van hanh, va thanh, va danh
cuc te » cua te, cuc thue, cuc tieu

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 y ((lang xa) or (nang x)) hoi. hieu van lam tuc ((xa hanh) or (va hanh)) tai cuc te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((lang xa) OR (nang x)) hoi. hieu van lam tuc ((xa hanh) OR (va hanh)) tai cuc te.
• Adding a wildcard symbol may retrieve word variants: tu sach y ((lang xa) or (nang x)) hoi. hieu van lam tuc ((xa hanh) or (va hanh)) tai cuc te*.