Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat lanh, thuat xay
tay tang » tay lang, tay trung, tay quang
va hanh » van hanh, va thanh, va danh
cham lo » cham o, cham soc, cham hoi
hieu ve » hieu va, hieu van
tang ma » mang may, tang van
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
cam lo » nam lo, cam ly, cam o
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuat san) or (thuat song)) tay tang ma hoi. hieu ve ((cham lo) or (cam lo)) va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat san) OR (thuat song)) tay tang ma hoi. hieu ve ((cham lo) OR (cam lo)) va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((thuat san) or (thuat song)) tay tang ma hoi. hieu ve ((cham lo) or (cam lo)) va hanh vi cua tre*.