Perhaps you should try some spelling variations:
cong ngang » cong nhan, cong quang, cong lang
ngang gian » nang giao, nganh giao, nganh giai
hoc thieu » hoc hien
dung cong » dung trong
gian cham » gian cua, gian cac, gian ha
dong pha » dong phan, dong ha, dong nha
pha dung » pham dung, phan dung, kha dung

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) or (toc thieu)) nganh - van dong pha dung cong ngang gian cham~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) nganh - van dong pha dung cong ngang gian cham.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) nganh - van dong pha dung cong ngang gian cham*.