Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh vai » hanh vi, hanh va, hanh van
hanh tai » thanh tai, hang tai, han tai
nam thuc » nam thuoc, am thuc, nam thu
su sach » so sach, vu sach
sach lo » sach dao, sach doi, sach hoi
thuc va » thuc vat, thuc dan, thuc day
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
lo nang » ho nang, ly nang, loai nang
ve nam » he nam, va nam, le nam
thiet » thieu

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 lo nang xa hoi. hieu ve nam thuc va ((hanh vai) OR (hanh tai)) ((cua triet) or (va thiet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach lo nang xa hoi. hieu ve nam thuc va ((hanh vai) OR (hanh tai)) ((cua triet) OR (va thiet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach lo nang xa hoi. hieu ve nam thuc va ((hanh vai) OR (hanh tai)) ((cua triet) or (va thiet))".
• Adding a wildcard symbol may retrieve word variants: su sach lo nang xa hoi. hieu ve nam thuc va ((hanh vai) OR (hanh tai)) ((cua triet) or (va thiet))*.