Perhaps you should try some spelling variations:
cua triet » su triet, va triet
thanh tai » thanh hai, thanh toan, doanh tai
cua viet » ca viet, hoa viet, cua vat
dang xay » dang van, van xay
va thanh » gia thanh, ban thanh, va tinh
cam duc » cam xuc, cao duc, pham duc
hieu va » lieu va, hieu qua
lang xa » lang ha, lang van
va cam » va cham, va cac, va cao
sai ky » sac ky
te sai » te tai, te bai, te lai

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sai ky ((lang xa) or (dang xay)) hoi. hieu va cam duc va thanh tai ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky ((lang xa) OR (dang xay)) hoi. hieu va cam duc va thanh tai ((cua triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: te sai ky ((lang xa) or (dang xay)) hoi. hieu va cam duc va thanh tai ((cua triet) or (cua viet))*.