Perhaps you should try some spelling variations:
hanh hanh » hanh han, xanh hanh, nhanh thanh
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
ban hanh » ban hang
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
hai cua » thai cua, dai cua, hoi cua
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky ((nang xa) or (lang xa)) hoi. hieu va thanh ngu ((hanh hanh) or (ban hanh)) hai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((nang xa) OR (lang xa)) hoi. hieu va thanh ngu ((hanh hanh) OR (ban hanh)) hai cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((nang xa) or (lang xa)) hoi. hieu va thanh ngu ((hanh hanh) or (ban hanh)) hai cua triet*.