Perhaps you should try some spelling variations:
thoi chuc » hoi chuc, hoi chu, choi thuc
thu sach » tu sach, thuat sach, thuoc sach
van hanh » van thanh, ban hanh, van anh
toi chuc » hoi chuc, loi chuc, toi chu
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
duc van » duc va, duc tan, duc manh
y nang » ky nang, ly nang, v nang

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 pham duc van hanh ((thoi chuc) OR (toi chuc)) te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y nang xa hoi. hieu ve pham duc van hanh ((thoi chuc) OR (toi chuc)) te".
• Adding a wildcard symbol may retrieve word variants: thu sach y nang xa hoi. hieu ve pham duc van hanh ((thoi chuc) OR (toi chuc)) te*.