Perhaps you should try some spelling variations:
tham nghiep » thuat nghiep, lam nghiep, tam nghien
trach nhiem » trac nghiem
nghiep vung » nghiep dung, nghiep hung, nghiep nhung
thuat sach » thuat san
thuat lanh » thuat lap, thuat san
sach tham » sach nha
nhiem va » nghiem va, hiem xa
vung moc » dung mo, dung moi, dung mot
te sach » toc sach
va hoc » van hoc

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) OR (thuat lanh)) trach nhiem va hoc ) or ( te sach tham nghiep vung moc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((thuat sach) OR (thuat lanh)) trach nhiem va hoc ) OR ( te sach tham nghiep vung moc ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((thuat sach) OR (thuat lanh)) trach nhiem va hoc ) or ( te sach tham nghiep vung moc ))*".