Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hiem ngan » kim ngan, viem gan
hanh manh » lanh manh, hoang manh, thanh minh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
hoc hiem » hoc hien, hoc thieu, hoc thiet
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hiem ngan - ((hanh manh) OR (hanh mang)) cua nhung cong van toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hiem ngan - ((hanh manh) OR (hanh mang)) cua nhung cong van toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc hiem ngan - ((hanh manh) OR (hanh mang)) cua nhung cong van toan cao*.