Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
van hanh » van thanh, van anh, van ban
ban hanh » ban hang
mang xa » lang xa, mang may, dang xay
nang ma » tang ma, sang ma, nang cao
cao xuc » cam xuc, cao duc, cao suc
va cao » va cac, va co, va dao
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach y ((mang xa) or (nang ma)) hoi. lieu va cao xuc ((van hanh) OR (ban hanh)) vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y ((mang xa) OR (nang ma)) hoi. lieu va cao xuc ((van hanh) OR (ban hanh)) vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y ((mang xa) or (nang ma)) hoi. lieu va cao xuc ((van hanh) OR (ban hanh)) vi cua te".
• Adding a wildcard symbol may retrieve word variants: thuat sach y ((mang xa) or (nang ma)) hoi. lieu va cao xuc ((van hanh) OR (ban hanh)) vi cua te*.