Perhaps you should try some spelling variations:
hoc thieu » hoc hien
phan dung » phan ung, phan dang, chan dung
dung cong » dung trong
gian cham » gian cua, gian cac, gian ha
dan phan » doan phan, dan chan, van phan
cong dan » cong san, cong tan, huong dan
van dan » van ban, ban dan, van dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc thieu) or (hoc thieu)) nganh - van dan phan dung cong dan gian cham~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (hoc thieu)) nganh - van dan phan dung cong dan gian cham.
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (hoc thieu)) nganh - van dan phan dung cong dan gian cham*.