Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
lang qua » lang que, lang cua, nang quan
long qua » long quan, long cua, song qua
cong tan » cong tac, cong san, cong thanh
tan thai » tay thai, ban thai, tan tai
thai cao » tai cao, thoai cac, thuat cao

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 (long qua)) trong cong tan thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - nhanh ((lang qua) OR (long qua)) trong cong tan thai cao*.