Perhaps you should try some spelling variations:
khien cac » hien cac, khien cau, thien cac
doanh dan » doanh ban, doanh van, doanh dao
tang van » dang van, hoang van, trong van
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty tang » tay tang, ty xang, ty hang
van hoi » van hoa, van hoc, van hoe
thuc va » thuc vat, thuc dan, thuc day
dan cua » dan ca, ban cua, dai cua
cua tuc » cua duc, cua tu, cua thuoc
xuc va » tuc va, luc va, xac va

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 ty tang van hoi. dieu khien cac ((((xuc va) or (duc va))) or (thuc va)) doanh dan cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty tang van hoi. dieu khien cac ((((xuc va) OR (duc va))) OR (thuc va)) doanh dan cua tuc*.