Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
nhanh long » thanh long, nhanh lang, nhanh song
nhanh dong » hanh dong, nhanh chong, anh dong
hoc thieu » toc thieu, hoc hien
cua trong » cua truong, cua trung, qua trong
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, 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 - ((nhanh long) OR (nhanh dong)) cua trong cong tan than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - ((nhanh long) OR (nhanh dong)) cua trong cong tan than cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - ((nhanh long) OR (nhanh dong)) cua trong cong tan than cao*.