Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cam thue » cam thu, lam thue, nam thue
tang tai » hang tai, sang tao, dong tai
cuu tre » cua tre, cau tren, cau treo
tu sach » thu sach, su sach, te sach
sach ly » sach y, sach lo, sach ty
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
thue va » thuc va, thuyet va, thuc vat
va cam » va cham, va cac, va cao

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 ly nang xa hoi. hieu va cam thue va ((tang tai) or (dung tai)) ((cuu tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ly nang xa hoi. hieu va cam thue va ((tang tai) OR (dung tai)) ((cuu tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: tu sach ly nang xa hoi. hieu va cam thue va ((tang tai) or (dung tai)) ((cuu tre) or (cua triet))*.