Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
tranh quan » tranh quang, trinh quan, tranh luan
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
hang cong » dang cong, hang nong, bang cong
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban

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 tinh - canh tranh quan ((dung cong) or (hang cong)) dan ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - canh tranh quan ((dung cong) OR (hang cong)) dan ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - canh tranh quan ((dung cong) or (hang cong)) dan ((toan tai) or (toan ban))*.