Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
tranh chua » tranh cua, trinh chuan, tranh chap
hoc thieu » toc thieu, hoc hien
chua nang » chuc nang, chua xang, kha nang
song van » hoang van, trong van, duong van
toan cau » toan cao, toan ban, toan tai
toan tap » toan 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 chua nang song van ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - canh tranh chua nang song van ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - canh tranh chua nang song van ((toan cau) or (toan tap))*.