Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
dang van » hoang van, hang va
va thanh » gia thanh, ban thanh, va tinh
cham luc » cham soc, nhan luc, cham cuu
vu sach » vu bach, su sach, vu khach
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo
sach ty » sach y, sach tu, sach thu
van hoi » van hoa, van hoc, van hoe
ty dang » ty xang, ky dang, ty hang
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ty dang van hoi. ((((hieu va) OR (hieu qua))) or (lieu va)) cham luc va thanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty dang van hoi. ((((hieu va) OR (hieu qua))) OR (lieu va)) cham luc va thanh vai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ty dang van hoi. ((((hieu va) OR (hieu qua))) or (lieu va)) cham luc va thanh vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: vu sach ty dang van hoi. ((((hieu va) OR (hieu qua))) or (lieu va)) cham luc va thanh vai cuu tre*.