Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
vien cua » viec cua, dien cua, tien cua
thu sac » thu sach, thu san, thu xac
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
van cao » van dao, van bao, van hao
cao tuc » dao tuc, cao duc, cao suc
va nhan » van nhan, ca nhan, va phan
sac ky » cac ky, sai ky
tuc va » thuc va, truc va, tuc xa
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sac ky ((nang xa) or (nang ma)) hoi. hieu van cao tuc va nhan vien cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky ((nang xa) OR (nang ma)) hoi. hieu van cao tuc va nhan vien cua tu.
• Adding a wildcard symbol may retrieve word variants: thu sac ky ((nang xa) or (nang ma)) hoi. hieu van cao tuc va nhan vien cua tu*.