Perhaps you should try some spelling variations:
tinh tuoi » tinh luoi, tinh toi, tinh nguoi
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
van hanh » van thanh, ban hanh, van anh
ve chim » va chim, ve chinh, te chiem
luc van » luoc van, luu van, duc van
ve chat » va chat, van chat
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
ve cham » va cham, vu cham, viet cham
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
tre » tren

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 ky nang ma hoi. hieu ((((ve cham) or (ve chim))) or (ve chat)) luc van hanh tinh tuoi tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang ma hoi. hieu ((((ve cham) OR (ve chim))) OR (ve chat)) luc van hanh tinh tuoi tre.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang ma hoi. hieu ((((ve cham) or (ve chim))) or (ve chat)) luc van hanh tinh tuoi tre*.