Perhaps you should try some spelling variations:
lang hoa » hang hoa, lang ha, nang hoa
vu sach » vu bach, vu khach
cua tre » cua te, cuu tre, cua triet
xa hanh » xa thanh, xa khanh, va hanh
cac tac » cac toc, cac bac, cac dac
hieu ve » hieu va, hieu van
hoa hoi » khoa hoi, hoa hoc, hoa doi
ky lang » ky nang, ky dang, ky tang
su sach » so sach
ve cac » va cac, vien cac
tac xa » tuc xa, tac da
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sach) or (su sach)) ky lang hoa hoi. hieu ve cac tac xa hanh vi ((cua tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (su sach)) ky lang hoa hoi. hieu ve cac tac xa hanh vi ((cua tre) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (su sach)) ky lang hoa hoi. hieu ve cac tac xa hanh vi ((cua tre) or (cua tu))*.