Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
phan vien » nhan vien, phan kien, phan tien
phan bien » phan kien, phan tien, phan bon
nang xa » nang x, lang xa, nang ma
tang ma » mang may, tang van
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
cao luc » bao luc, cao duc, cao suc
ve cao » va cao, ve bao, ve cac
luc va » duc va, tuc va, loc va
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 ky ((nang xa) or (tang ma)) hoi. hieu ve cao luc va ((phan vien) or (phan bien)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ky ((nang xa) OR (tang ma)) hoi. hieu ve cao luc va ((phan vien) OR (phan bien)) cua te.
• Adding a wildcard symbol may retrieve word variants: thuat sach ky ((nang xa) or (tang ma)) hoi. hieu ve cao luc va ((phan vien) or (phan bien)) cua te*.