Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
truong va » truong dai, truong cao, truong dao
trung ha » trung hoc, trung cap
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan 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 thieu tinh - hanh ((((truong va) or (trung tam))) or (trung ha)) nhung cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh ((((truong va) OR (trung tam))) OR (trung ha)) nhung cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh ((((truong va) or (trung tam))) or (trung ha)) nhung cong dan toan cau*.