Perhaps you should try some spelling variations:
hien tinh » khien tinh, thien tinh, bien tinh
hanh tang » hanh trang, anh tang, nhanh thang
hanh tung » thanh tung, manh tung, hanh dung
hanh mang » nhanh mang, hanh trang, nhanh lang
dong cong » duong cong, dung cong, dang cong
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
cua dong » chua dong, cua cong, cua dang
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien tinh - ((((hanh tang) OR (hanh tung))) or (hanh mang)) cua dong cong doan phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien tinh - ((((hanh tang) OR (hanh tung))) OR (hanh mang)) cua dong cong doan phan lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien tinh - ((((hanh tang) OR (hanh tung))) or (hanh mang)) cua dong cong doan phan lap".
• Adding a wildcard symbol may retrieve word variants: hoc hien tinh - ((((hanh tang) OR (hanh tung))) or (hanh mang)) cua dong cong doan phan lap*.