Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh tai » thanh tai, hang tai, han tai
thuc dan » thuc hanh, hoc dan, thuc vat
sach ly » sach y, sach lo, sach ty
cua tre » cua te, cuu tre, dua tren
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
hang xa » hoang xa, hang va, hang ca
ly hang » ly quang
tuc va » thuc va, truc va, tuc xa
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ly hang xa hoi. hieu ve cam ((tuc va) or (thuc dan)) hanh tai ((cua tre) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly hang xa hoi. hieu ve cam ((tuc va) OR (thuc dan)) hanh tai ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ly hang xa hoi. hieu ve cam ((tuc va) or (thuc dan)) hanh tai ((cua tre) OR (cua triet))".
• Adding a wildcard symbol may retrieve word variants: su sach ly hang xa hoi. hieu ve cam ((tuc va) or (thuc dan)) hanh tai ((cua tre) OR (cua triet))*.