Perhaps you should try some spelling variations:
thien van » thi van
cua viet » ca viet, hoa viet, cua vat
hanh vai » hanh vi, hanh va, hanh tai
truc va » thuc vat, trung va
vai cua » dai cua, hai cua, lai cua
thuc va » thuc vat, thuc dan, thuc day
su sach » so sach, vu sach
sach ly » sach y, sach lo, sach ty
van cam » van nam, van lam, van cau
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang

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 nang xa hoi. thien van cam ((duc va) or (((truc va) OR (thuc va)))) hanh vai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly nang xa hoi. thien van cam ((duc va) OR (((truc va) OR (thuc va)))) hanh vai cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ly nang xa hoi. thien van cam ((duc va) or (((truc va) OR (thuc va)))) hanh vai cua viet".
• Adding a wildcard symbol may retrieve word variants: su sach ly nang xa hoi. thien van cam ((duc va) or (((truc va) OR (thuc va)))) hanh vai cua viet*.