Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
van doanh » toan doanh, van dong, van thanh
thu sach » tu sach, thuoc sach, thu hoach
van doan » van toan, van hoan, van dan
sang ma » tang ma, nang ma, sang tao
vai cua » dai cua, hai cua, lai cua
y sang » _ sang, duy sang
va cau » van cau, va cac, va dau
cau tu » dau tu, cau truc
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: ((thu sach) or (thuat sach)) y sang ma hoa. lieu va cau tu ((van doan) OR (van doanh)) vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuat sach)) y sang ma hoa. lieu va cau tu ((van doan) OR (van doanh)) vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) or (thuat sach)) y sang ma hoa. lieu va cau tu ((van doan) OR (van doanh)) vai cua te".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (thuat sach)) y sang ma hoa. lieu va cau tu ((van doan) OR (van doanh)) vai cua te*.