Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
hieu viec » nhieu viec, hieu ve, sieu viet
viec cac » vien cac, viec cua, viec lam
van hanh » van thanh, ban hanh, van ban
tu sach » thu sach, su sach, te sach
cac luc » cau luc, coc luc, cac nuoc
van anh » van thanh, tuan anh, van minh
y nang » ky nang, ly nang, v nang
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: ((tu sach) or (thuat sach)) y nang x ho. hieu viec cac luc ((van hanh) OR (van anh)) dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thuat sach)) y nang x ho. hieu viec cac luc ((van hanh) OR (van anh)) dai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (thuat sach)) y nang x ho. hieu viec cac luc ((van hanh) OR (van anh)) dai cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thuat sach)) y nang x ho. hieu viec cac luc ((van hanh) OR (van anh)) dai cua te*.