Perhaps you should try some spelling variations:
va truyen » hoa truyen, co truyen, di truyen
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
qua chai » qua hai, qua cai, qua cham
ly hang » ly quang
chai tu » cai tu, choi tu, chay tu
ly nang » ky nang, ly vang, ly quang
su viet » so viet
su sach » so sach, vu sach

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) OR (ly hang)) xa hoi. hieu qua chai tu va thanh vi ((su viet) or (va truyen))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ly nang) OR (ly hang)) xa hoi. hieu qua chai tu va thanh vi ((su viet) OR (va truyen)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((ly nang) OR (ly hang)) xa hoi. hieu qua chai tu va thanh vi ((su viet) or (va truyen))".
• Adding a wildcard symbol may retrieve word variants: su sach ((ly nang) OR (ly hang)) xa hoi. hieu qua chai tu va thanh vi ((su viet) or (va truyen))*.