Perhaps you should try some spelling variations:
phan tai » pham tai, nhan tai, phan thi
van phan » van phong, van thanh, luan phan
dang mam » dang nam, dang mau, dang mat
cham luc » cham soc, nhan luc, cham cuu
ve cham » va cham, ve chat, vu cham
cuc tre » cua tre, cuu tre, cuc thue
luc van » luoc van, luu van, duc van
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach kem
mam hoi » mam hoai, nam hoi, mai hoi
sach ty » sach y, sach tu, sach thu
duc tre » duoc tren, duc tien

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 ky) OR (sach ty)) dang mam hoi. hieu ve cham luc van phan tai ((cuc tre) or (duc tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) dang mam hoi. hieu ve cham luc van phan tai ((cuc tre) OR (duc tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sach ty)) dang mam hoi. hieu ve cham luc van phan tai ((cuc tre) or (duc tre))*".