Perhaps you should try some spelling variations:
thieu tach » thien hach, chiet tach, chieu sach
hoc thieu » toc thieu, hoc hien
trinh cua » trinh luat, trinh quan, trinh luan
dung cong » dung trong
cong dang » cong dong, cong dan, cong dung
dang toan » dang tran, dan toan, dung toan
tinh cua » sinh cua, tinh chat, tranh cua
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 tach - hanh ((trinh cua) OR (tinh cua)) dung cong dang toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tach - hanh ((trinh cua) OR (tinh cua)) dung cong dang toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tach - hanh ((trinh cua) OR (tinh cua)) dung cong dang toan cao*.