Perhaps you should try some spelling variations:
chuan ve » chuan he, chuan va, chuan vn
tu sach » thu sach, su sach, te sach
sach tu » sach thu, cach tu, sach ty
danh ca » dan ca, doanh cua, danh cho
va danh » va dinh, va dan, va hanh
chua xi » chua xe, chuan bi, chua noi
tu nano » truc nano
ve cac » va cac, vien cac
ve cam » ve cham, va cam, ve cai
nano 1 » nano o
1 hoi » o hoi, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach tu nano 1 hoi. hieu ((ve cam) or (ve cac)) duc va danh ca ((chuan ve) or (chua xi))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tu nano 1 hoi. hieu ((ve cam) OR (ve cac)) duc va danh ca ((chuan ve) OR (chua xi)).
• Adding a wildcard symbol may retrieve word variants: tu sach tu nano 1 hoi. hieu ((ve cam) or (ve cac)) duc va danh ca ((chuan ve) or (chua xi))*.