Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
tan thanh » tran thanh, tang thanh, toan thanh
thanh cao » thanh ca, thanh cac, thanh thao
lang qua » lang cua, nang quan, tang quan
long qua » long quan, long cua, song qua
cong tan » cong tac, cong san, cong thanh

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 ((((lang qua) OR (lang que))) or (long qua)) trong cong tan thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - nhanh ((((lang qua) OR (lang que))) OR (long qua)) trong cong tan thanh cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - nhanh ((((lang qua) OR (lang que))) or (long qua)) trong cong tan thanh cao*".