Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
vien cua » viec cua, dien cua, tien cua
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
y nang » ky nang, ly nang, v nang
ve cao » va cao, ve bao, ve cac
suc va » duc va, luc va, soc va
tuc va » thuc va, truc va, tuc xa
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: thu sach y nang xa hoi. hieu ve cao ((suc va) OR (tuc va)) nhan vien cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y nang xa hoi. hieu ve cao ((suc va) OR (tuc va)) nhan vien cua te".
• Adding a wildcard symbol may retrieve word variants: thu sach y nang xa hoi. hieu ve cao ((suc va) OR (tuc va)) nhan vien cua te*.