Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thien » hoc thieu, hoc thiet, hoc tien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan tap » toan tap, tuan tai, tuyen 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 thien) or (hoc hien)) dang - canh tranh cua nhung cong van tuan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thien) OR (hoc hien)) dang - canh tranh cua nhung cong van tuan tap.
• Adding a wildcard symbol may retrieve word variants: ((hoc thien) or (hoc hien)) dang - canh tranh cua nhung cong van tuan tap*.