Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
khan cua » than cua, han cua, khien cua
nhan cua » nhat cua, nhan luc, nhan su
cong tam » cong tac, cong tan, cong nam
tam than » ban than
than cao » toan cao, thai cao, than cap

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 ((chung cu) or (((khan cua) or (nhan cua)))) dung cong tam than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - hanh ((chung cu) OR (((khan cua) OR (nhan cua)))) dung cong tam than cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh ((chung cu) or (((khan cua) or (nhan cua)))) dung cong tam than cao*.