Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
luat trong » suat trong, thuat trong, luat thuong
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, hanh mang, hanh tung
anh tang » anh bang, anh dang, anh nang
cong tac » cong ty
han tap » toan tap, nhan tai, nhan tao
han tai » hang tai, nhan tai, van tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - ((hanh tang) or (anh tang)) luat trong cong tac ((han tap) OR (han tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh tang) OR (anh tang)) luat trong cong tac ((han tap) OR (han tai))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((hanh tang) or (anh tang)) luat trong cong tac ((han tap) OR (han tai))*".