Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
hanh trang » thanh trung, canh tranh, minh trang
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
cong tac » cong ty
tac han » tac nhan, tac ha, tac can
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 quang - ((hanh trang) OR (hanh trinh)) cua bang cong tac han tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu quang - ((hanh trang) OR (hanh trinh)) cua bang cong tac han tai".
• Adding a wildcard symbol may retrieve word variants: hoc thieu quang - ((hanh trang) OR (hanh trinh)) cua bang cong tac han tai*.